/**
 * 
 */
package com.wuka.exception;

import javax.servlet.http.HttpServletRequest;

import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.servlet.ModelAndView;

/**
 * 异常类处理
 * @author zhangliping
 *
 */
@ControllerAdvice
public class GlobalDefaultExceptionHandler {

	@ExceptionHandler(value = Exception.class)
	public String defaultErrorHandler(HttpServletRequest req, Exception e) {

		// // If the exception is annotated with @ResponseStatus rethrow it and
		// let

		// // the framework handle it - like the OrderNotFoundException example

		// // at the start of this post.

		// // AnnotationUtils is a Spring Framework utility class.

		// if (AnnotationUtils.findAnnotation(e.getClass(),
		// ResponseStatus.class) != null)

		// throw e;

		//

	

		// 打印异常信息：

		e.printStackTrace();

		System.out
				.println("GlobalDefaultExceptionHandler.defaultErrorHandler()");

		/*
		 * 
		 * 返回json数据或者String数据：
		 * 
		 * 那么需要在方法上加上注解：@ResponseBody
		 * 
		 * 添加return即可。
		 */

		/*
		 * 
		 * 返回视图：
		 * 
		 * 定义一个ModelAndView即可，
		 * 
		 * 然后return;
		 * 
		 * 定义视图文件(比如：error.html,error.ftl,error.jsp);
		 * 
		 */
		
		// // Otherwise setup and send the user to a default error-view.

		 ModelAndView mav = new ModelAndView();

		 mav.addObject("error", e);

		 mav.addObject("url", req.getRequestURL());

//		 mav.setViewName(DEFAULT_ERROR_VIEW);

		return "";

	}
}
